{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["attack pattern", "attacker", "payment method", "victim", "price", "damage amount", "time", "place", "tool"]}], "input": "GREENFIELD — Hancock Health fell victim to a cyber attack Thursday , with a hacker demanding Bitcoin to relinquish control of part of the hospital ’s computer system ."}
{"ransom": [{"attack pattern": "NAN", "attacker": "NAN", "payment method": "NAN", "victim": "Hancock Health", "price": "NAN", "damage amount": "NAN", "time": "Thursday", "place": "NAN", "tool": "NAN"}]}